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Method and apparatus for recognizing code

  • US 20050194445A1
  • Filed: 05/03/2005
  • Published: 09/08/2005
  • Est. Priority Date: 04/15/2003
  • Status: Active Grant
First Claim
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1. A two-dimensional code recognition method of recognizing a two-dimensional code that is obtained by generating cells from data and is arranged in two dimensions, comprising:

  • a coordinate detection step of detecting the coordinate of a target cell;

    a gradation value detection step of obtaining a gradation value of the detected coordinate; and

    a cell value determination step of determining a value of the target cell from the detected gradation value.

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